add to_hash alias to to_h method of ObjectType and Response

Author: Alexandru Prian

lib/graphql/client/response.rb

@@ -12,6 +12,7 @@ class Response
       # Returns Hash.
       attr_reader :original_hash
       alias_method :to_h, :original_hash
+      alias_method :to_hash, :original_hash
 
       # Public: Wrapped ObjectType of data returned from the server.
       #

lib/graphql/client/schema/object_type.rb

@@ -192,6 +192,7 @@ def initialize(data = {}, errors = Errors.new, definer = nil)
         def to_h
           @data
         end
+        alias :to_hash :to_h
 
         def _definer
           @definer

test/test_query_result.rb

@@ -272,6 +272,7 @@ def test_snakecase_field_aliases
     person = Temp::Person.new(@client.query(Temp::Query).data.me)
     raw_result = {"firstName"=>"Joshua", "lastName"=>"Peek"}
     assert_equal raw_result, person.to_h
+    assert_equal raw_result, person.to_hash
 
     assert_equal "Joshua", person.first_name
     assert_equal "Peek", person.last_name